Added a sample for curvature

apps/sample/sample.pro

@@ -3,6 +3,7 @@ TEMPLATE      = subdirs
 SUBDIRS       = trimesh_base  \
                 trimesh_topology\
                 trimesh_smooth \
+                trimesh_curvature \
                 trimesh_refine \
                 trimesh_clustering \
                 trimesh_isosurface \

apps/sample/trimesh_curvature/trimesh_curvature.cpp

@@ -0,0 +1,68 @@
+/****************************************************************************
+* VCGLib                                                            o o     *
+* Visual and Computer Graphics Library                            o     o   *
+*                                                                _   O  _   *
+* Copyright(C) 2004-2012                                           \/)\/    *
+* Visual Computing Lab                                            /\/|      *
+* ISTI - Italian National Research Council                           |      *
+*                                                                    \      *
+* All rights reserved.                                                      *
+*                                                                           *
+* This program is free software; you can redistribute it and/or modify      *
+* it under the terms of the GNU General Public License as published by      *
+* the Free Software Foundation; either version 2 of the License, or         *
+* (at your option) any later version.                                       *
+*                                                                           *
+* This program is distributed in the hope that it will be useful,           *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of            *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
+* GNU General Public License (http://www.gnu.org/licenses/gpl.txt)          *
+* for more details.                                                         *
+*                                                                           *
+****************************************************************************/
+#include<vcg/complex/complex.h>
+
+#include<wrap/io_trimesh/import_off.h>
+
+#include<vcg/complex/algorithms/update/curvature.h>
+#include<vcg/complex/algorithms/update/normal.h>
+
+using namespace vcg;
+using namespace std;
+
+class MyEdge;
+class MyFace;
+class MyVertex;
+struct MyUsedTypes : public UsedTypes<	Use<MyVertex>   ::AsVertexType,
+                                        Use<MyEdge>     ::AsEdgeType,
+                                        Use<MyFace>     ::AsFaceType>{};
+
+class MyVertex  : public Vertex<MyUsedTypes, vertex::Coord3f, vertex::Normal3f, vertex::BitFlags  >{};
+class MyFace    : public Face< MyUsedTypes, face::FFAdj,  face::VertexRef, face::BitFlags > {};
+class MyEdge    : public Edge<MyUsedTypes>{};
+class MyMesh    : public tri::TriMesh< vector<MyVertex>, vector<MyFace> , vector<MyEdge>  > {};
+
+int main( int argc, char **argv )
+{
+  if(argc<2)
+  {
+    printf("Usage trimesh_base <meshfilename.obj>\n");
+    return -1;
+  }
+
+  MyMesh m;
+
+  if(tri::io::ImporterOFF<MyMesh>::Open(m,argv[1])!=0)
+  {
+    printf("Error reading file  %s\n",argv[1]);
+    exit(0);
+  }
+
+  tri::UpdateTopology<MyMesh>::FaceFace(m);
+  tri::UpdateCurvature<MyMesh>::PerVertex(m);
+  tri::UpdateNormal<MyMesh>::PerVertexNormalized(m);
+  printf("Input mesh  vn:%i fn:%i\n",m.VN(),m.FN());
+  printf( "Mesh has %i vert and %i faces\n", m.VN(), m.FN() );
+
+  return 0;
+}

apps/sample/trimesh_curvature/trimesh_curvature.pro

@@ -0,0 +1,3 @@
+include(../common.pri)
+TARGET = trimesh_curvature
+SOURCES += trimesh_curvature.cpp